By any measure, mother-child bonding is an ideal worth striving for, but new research underscores its importance, finding that toddlers who aren’t securely attached may have a greater risk of being obese before they even start …

Let’s imagine that a father of two young kids is an unemployed drug user with a penchant for porn stars and bikini models. Say the porn stars/models double as nannies, the mom has battled the bottle herself, and the kids — …

People tend to think of “attachment” and “bonding” as the subjects of child psychology, but in fact, these factors are just as important to adult health and happiness. So what defines the healthy adult relationship — is there such a thing as too “clingy” or “dependent?” — and can people change in order to find lasting love?

On the surface, addiction seems like the least adaptive behavior in the world: addicts persist in taking drugs despite negative consequences over and over and over, sacrificing relationships, career, home, possessions, often …